| Charlotte to Oswego (Illinois) | 603.80 mi (971.72 km) |
| Charlotte to Oswego (New York) | 614.54 mi (989.00 km) |
| Charlotte to Otsego (Minnesota) | 966.18 mi (1,554.92 km) |
| Charlotte to Ottawa (Illinois) | 606.49 mi (976.04 km) |
| Charlotte to Ottawa (Kansas) | 830.12 mi (1,335.95 km) |
| Charlotte to Ottumwa (Iowa) | 746.04 mi (1,200.64 km) |
| Charlotte to Overland (Missouri) | 578.80 mi (931.49 km) |
| Charlotte to Overland Park (Kansas) | 804.32 mi (1,294.43 km) |
| Charlotte to Overlea (Maryland) | 372.27 mi (599.11 km) |
| Charlotte to Oviedo (Florida) | 453.06 mi (729.14 km) |
| Charlotte to Owasso (Oklahoma) | 843.63 mi (1,357.69 km) |
| Charlotte to Owatonna (Minnesota) | 899.19 mi (1,447.11 km) |
| Charlotte to Owensboro (Kentucky) | 391.03 mi (629.31 km) |
| Charlotte to Owings Mills (Maryland) | 365.43 mi (588.10 km) |
| Charlotte to Owosso (Michigan) | 567.03 mi (912.54 km) |
